com.caucho.quercus.expr

Class ArrayTailExpr

java.lang.Object

com.caucho.quercus.expr.Expr

com.caucho.quercus.expr.AbstractVarExpr

com.caucho.quercus.expr.ArrayTailExpr

public class ArrayTailExpr
extends AbstractVarExpr

Represents a PHP array[] reference expression.

Field Summary

Fields

Modifier and Type	Field and Description
protected Expr	_expr

Fields inherited from class com.caucho.quercus.expr.Expr

COMPILE_ARG_MAX, NULL_ARGS

Constructor Summary

Constructors

Constructor and Description
ArrayTailExpr(Expr expr)
ArrayTailExpr(Location location, Expr expr)

Method Summary

Modifier and Type	Method and Description
boolean	canRead() Returns true for an expression that can be read (only $a[] uses this)
Value	eval(Env env) Evaluates the expression.
Value	evalArg(Env env, boolean isTop) Evaluates the expression.
Value	evalArray(Env env) Evaluates the expression, setting an array if unset..
Value	evalAssignRef(Env env, Value value) Evaluates the expression.
Value	evalAssignValue(Env env, Value value) Evaluates the expression.
Value	evalObject(Env env) Evaluates the expression, assigning an object if unset..
void	evalUnset(Env env) Evaluates the expression.
Var	evalVar(Env env) Evaluates the expression.
Expr	getExpr() Returns the expr.
java.lang.String	toString()

Methods inherited from class com.caucho.quercus.expr.AbstractVarExpr

assign, createAssign, createAssignRef, createCopy, createRef, createUnset, evalCopy, evalRef, isVar

Methods inherited from class com.caucho.quercus.expr.Expr

createAssignFrom, createCall, createClassConst, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, equals, evalArgs, evalArrayAssign, evalArrayAssignRef, evalArrayAssignRef, evalArrayAssignTail, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDirty, evalDouble, evalEmpty, evalIsset, evalIssetValue, evalLong, evalPostIncrement, evalPreIncrement, evalQuercusClass, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, print

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_expr

protected final Expr _expr

Constructor Detail

ArrayTailExpr

public ArrayTailExpr(Location location,
                     Expr expr)

ArrayTailExpr

public ArrayTailExpr(Expr expr)

Method Detail

canRead

public boolean canRead()

Returns true for an expression that can be read (only $a[] uses this)

Overrides:

canRead in class Expr

getExpr

public Expr getExpr()

Returns the expr.

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalArg

public Value evalArg(Env env,
                     boolean isTop)

Evaluates the expression.

Overrides:

evalArg in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalVar

public Var evalVar(Env env)

Evaluates the expression.

Specified by:

evalVar in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalArray

public Value evalArray(Env env)

Evaluates the expression, setting an array if unset..

Overrides:

evalArray in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalObject

public Value evalObject(Env env)

Evaluates the expression, assigning an object if unset..

Overrides:

evalObject in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalAssignValue

public Value evalAssignValue(Env env,
                             Value value)

Evaluates the expression.

Overrides:

evalAssignValue in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalAssignRef

public Value evalAssignRef(Env env,
                           Value value)

Evaluates the expression.

Specified by:

evalAssignRef in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalUnset

public void evalUnset(Env env)

Evaluates the expression.

Specified by:

evalUnset in class AbstractVarExpr

Parameters:

env - the calling environment.

toString

public java.lang.String toString()

Overrides:

toString in class Expr